<section>
  <div class="row">
    <div class="col-md-5">
      <d-select [placeholder]="'Input'" [options]="options" [allowClear]="true" [(ngModel)]="value"></d-select>
    </div>
    <div class="col-md-1">
      <d-button bsStyle="common" (btnClick)="value = null">reset value by reset ngModel value</d-button>
    </div>
  </div>
</section>
